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March 25, 2017

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A fence encloses a rectangular field. The field is 4 meters longer that it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field?

Choices
1,192
1296
1292
1440


I have tried dividing but getting know where. :( Help with steps please?

  • Math 6 meters help - ,

    What am I doing wrong? it throws me off when it says, 4 meters longer than it is wide.

  • Math 6 meters help - ,

    144 = 2L + 2 w
    so
    L + w = 72

    L = w + 4

    so
    w + 4 + w = 72
    2 w = 68
    w = 34
    then L = 38

    A = L * w = 38 * 34 = 1292

  • Math 6 meters help - ,

    Thank you!! Damon. I really appreciate you guys being here. I am writing this in my notes. Thank you again.

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